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Grok 4.5 vs MiniMax M3 (batch)
Grok 4.5 (xAI) and MiniMax M3 (batch) (MiniMax) compared on benchmarks, pricing, context window, and use-case rankings.
- MiniMax M3 (batch) is cheaper on input tokens — $0.15 vs $2.00 per 1M.
- MiniMax M3 (batch) has a larger context window (524K vs 500K tokens).
| Attribute | Grok 4.5 | MiniMax M3 (batch) |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 154 | — |
| Coding | 91 | — |
| Math | 85 | — |
| Reasoning & Knowledge | 70 | — |
| Agentic & Tools | 76 | — |
| Specifications | ||
| Developer | xAI | MiniMax |
| Family | Grok | MiniMax |
| Released | Jul 8, 2026 | May 31, 2026 |
| Parameters | — | — |
| Availability | API access | — |
| Context window | 500K | 524K |
| Price — $/M input | $2.00 | $0.15 |
| Price — $/M output | $6.00 | $0.60 |
| Inputs | text, image, file | text, image, video |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 98% | — |
| APEX | 34% | — |
| ARC-AGI | 87% | — |
| ARC-AGI-2 | 53% | — |
| GPQA Diamond | 93% | — |
| Humanity's Last Exam | 40% | — |
| SciCode | 54% | — |
| SimpleBench | 70% | — |
| SimpleQA Verified | 54% | — |
| WebDev Arena | 1551 | — |
| WeirdML | 46% | — |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, Grok 4.5 or MiniMax M3 (batch)?
MiniMax M3 (batch) is cheaper on input tokens at $0.15 per million, versus $2.00 (representative OpenRouter pricing).
Which has a larger context window, Grok 4.5 or MiniMax M3 (batch)?
MiniMax M3 (batch) supports up to 524K tokens, compared with 500K for the other.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.